10) An unfair coin with a 70% probability of drawing a head in one toss, is tossed 10 times.a) What is the probability of getting exactly one head?b) What is the probability of getting at least two heads?

11) A math club consisting of 14 people decided to chose at random a board of four people: president, vice president, treasurer and secretary.a) What is the probability that the president will be Esther, the vice president –Chana, the treasurer – Rivka, and the secretary – Sarah?b) [Challenge Question] What is the probability that the board will consist of Esther, Chana, Rivka and Sarah?

12) In a card game with 36 cards (deck consists of aces, 6s, 7s, 8s, 9s 10s, jacks, queens and kings- 4 of each) find the probability that in a “hand’ of 12 cards there will be exactly four kings.